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Cushion|Lab Grown|IGI

0.91ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG526281751

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG526281751

Diamond specifications and retailer prices

From $827 USD
As of October 29, 2026
Save $743 USD (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,570 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526281751 or 526281751. Listed at 3 retailers as of October 29, 2026, with prices from $827 to $1,570, a $743 spread on the same certified stone. Do Amore Diamonds lists it at $1,570. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526281751
Dimensions6.72 × 5.31 × 3.43 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.72 mm5.31 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526281751
Side View
Table 58.0%Crown 42.1°Girdle: MED-THKPavilion 38.4°Culet: LargeDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,570 USD|Low: $467 USD|High: $1,570 USD|Avg: $844 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5$467 USD
Retailer 4$484 USD
Retailer 3$827 USD
Retailer 2$874 USD
Do Amore Diamonds$1,570 USD

14 data points across 5 retailers

3 retailers$827 USD to $1,570 USD

B
Cheapest Retailer
-
$827 USD
B
Retailer 2
-
$874 USD
€832 EUR
View
Most Expensive
B
Do Amore Diamonds
24-2204-271A · Oct 29
$1,570 USD
View
2 more retailers have this diamond
Prices start from $827 USDSave up to $743 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.91ct Cushion
$827 USD